Implement watching static files

lib/debug.py

@@ -0,0 +1,19 @@
+from glob import iglob as glob
+from itertools import chain
+
+from tornado.autoreload import watch
+
+
+# yo dawg, we heard you like generators, so now you can generate generators
+# with generators
+def _static_files():
+    return chain.from_iterable(
+        glob(pattern) for pattern in (
+            'static/*.js', 'static/*.css', 'templates/*htm?'
+        )
+    )
+
+
+def watch_static_files():
+    for file in _static_files():
+        watch(file)

src/app/app.py

@@ -7,6 +7,7 @@ from tornado.web import Application
 from tornado.ioloop import IOLoop
 
 from config import WEB_PORT
+import debug
 from handlers import MainHandler, ZMQWebSocketHandler, LoginWebappHandler
 import ui_modules
 
@@ -23,6 +24,7 @@ if __name__ == '__main__':
         ui_modules=ui_modules,
         autoreload=True
     )
+
     application.listen(WEB_PORT)
     logging.getLogger().setLevel(logging.DEBUG)
     logging.debug('Python version: {}'.format(sys.version[:5]))
@@ -30,4 +32,5 @@ if __name__ == '__main__':
     logging.debug('ZeroMQ version: {}'.format(zmq.zmq_version()))
     logging.debug('PyZMQ version: {}'.format(zmq.pyzmq_version()))
     logging.info('Tornado application listening on port {}'.format(WEB_PORT))
+    debug.watch_static_files()
     IOLoop.instance().start()